He calls it “fire in the gut.” It’s the excitement, the burning drive to work through a problem and see the solution. It’s staying up at night, turning something over and over in your head and feeling exhilarated when you finally come up with an answer, says Chris Hardin, Professor and Chair of the Nutritional Sciences Department.

Although Hardin is wary of taking a stance on specific diets, he does recommend food that doesn’t cause blood-sugar spikes and an overall diet characterized by moderation. “Fundamentally, your grandmother was right," he says. "Eat your vegetables, don’t eat too much junk, go outside and play." And don’t worry: you can still eat pizza – as long as you don’t eat it all the time.